[Zlib-devel] known bugs in distance-checking code?

Glenn Randers-Pehrson <glennrp> glennrp at comcast.net
Wed Feb 23 12:57:28 EST 2005


> There would need to be special code
> added to write zeros for matches with distances too far back.
> 
> I still think it's far better to refuse to display bad png images.
> That will correct itself in time.  If we put in patches to allow them,
> then we are deliberately encouraging bad png images.

I tend to agree but I don't think the mozilla people will.  They'll just
note
that MSIE renders the images fine, so therefore mozilla's got a bug.

>From your analyses of the bad PNGs it seems that the encoder bug (bugs)
must
be rather awful.  I gather they aren't coming from libpng, and possibly
not
from zlib.

Glenn




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